Air qual­ity im­proves in city as tem­per­a­tures rise


Hindustan Times ST (Mumbai) - Live - - FRONT PAGE - HT Cor­re­spon­dent

MUM­BAI: The city’s air qual­ity fur­ther im­proved on Fri­day even as night and day tem­per­a­tures were morethan3de­greesCel­sius­above nor­mal. The pol­lu­tant-mea­sur­ing in­di­ca­tor—airqual­i­tyin­dex(AQI) — was at 179 for Mum­bai, fall­ing un­der the ‘mod­er­ate’ cat­e­gory, as com­pared to 181 on Thurs­day. The Sys­tem of Air Qual­ity Weather Fore­castin­gandRe­search(SAFAR) pegged a ‘mod­er­ate’ AQI for Satur­day as well, at 189.

An AQI be­tween 101-200 falls un­der the ‘mod­er­ate’ cat­e­gory, 201-300 is ‘poor’ and above 301 is ‘very poor’.

On Fri­day, Ban­dra-Kurla Com­plex (BKC) was the most pol­luted lo­ca­tion in the city, with ‘very poor’ AQI at 313. And­heri and Navi Mum­bai fol­lowed with ‘poor’ AQI lev­els of 256 and 235, re­spec­tively. While the re­main­ing six lo­ca­tions recorded ‘mod­er­ate’ air qual­ity, Mazagaon recorded the clean­est air in the city with a ‘good’ AQI of 100.

“The busy traf­fic junc­tions at BKC did not al­low the fast dis­per­sion of pol­lu­tants on Fri­day, which was ob­served at all other lo­ca­tions in Mum­bai. A sim­i­lar ob­ser­va­tion was made at And­heri too,” said an of­fi­cial from SAFAR. “We ex­pect AQI lev­els to be in the ‘mod­er­ate’ cat­e­gory till there is a drop in tem­per­a­tures.”

The San­tacruz weather sta­tion recorded the night tem­per­a­ture at al­most 4 de­grees Cel­sius above nor­mal, at 22.6 de­grees Cel­sius on Fri­day, as com­pared to 15 de­grees Cel­sius, which was 3 de­grees Cel­sius be­low nor­mal last Sun­day. Co­laba, too, recorded a high min­i­mum tem­per­a­ture of 24.6 de­grees Cel­sius, 3.7 de­grees Cel­sius above nor­mal.

Mean­while, day tem­per­a­ture at south Mum­bai shot up al­most 4 de­grees Cel­sius above nor­mal on Fri­day, at 35.8 de­grees Cel­sius, as com­pared to 34.4 de­grees Cel­sius, 2.3 de­grees Cel­sius above nor­mal on Thurs­day. On the other hand, the max­i­mum tem­per­a­ture dropped by a de­gree in the sub­urbs from Thurs­day as San­tacruz recorded 34.6 de­grees Cel­sius, 2.3 de­gree Cel­sius above nor­mal.

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